Merge pull request #241 from agbeltran/development

Ontology annotations for headers and URIs for terms
Merge pull request #242 from agbeltran/development

Adding dependency back to pom - needed for GS
Can remove fields or keep them even though they are blank. Closes #240
Merge remote-tracking branch 'origin/development' into development
Merge branch 'development' of https://github.com/ISA-tools/ISAcreator into development
When URI is null, query bioportal; renamed getUniqueId to getShortForm, added getLongForm
Added method getURI and other changes
Added utility methods for headers, modified processOntologyField to deal with URIs when setting parameter is true